Some Observations on the Beneficiation of Lean Phosphate rock from Indigenous Resources

Abstract

With the increase in price of chemical phosphatic fertiliser the cultivators were hesitant to use them. This trend would adversely affect the agricultural production. Nitrogenous fertiliser could be suitably substituted with lean phosphate rock. Because of its nature and low phosphate content, this lean rock phosp-hate cannot be directly utilised in the manufacture of chemical fertiliser and needs beneficiation. However, its application as a direct phosphatic fertiliser was appreciated in acid soils. One of the leading organi-sations in India has already put untiring effort for utilising them through various consuming centres in the country.